This study aimed to assess fetal radiation exposure in pregnant women undergoing computed tomography (CT) and rotational angiography (RA) examinations for the diagnosis of pelvic trauma. In addition, this study aimed to compare the dose distributi...
Tomonobu Haba   Shuji Koyama   Yoshihiro Ida   
Radiological Physics and Technology 7(1) 133-140 2014年 [査読有り]
The longitudinal dose profile in a computed tomography dose index (CTDI) phantom had been studied by many researchers. The cross-sectional dose profile in the CTDI phantom, however, has not been studied. It is also important to understand the cros...
Proceedings of the Nineteenth EGS Users' Meeting in Japan 48-52 2012年10月
In this study, the absorbed dose for organs in infant, child, and adult patients undergoing head computed tomography (CT) scans was determined. The CT examinations were simulated using the Electron Gamma Shower ver. 5 (EGS5) Monte Carlo code. The ...
Proceedings of the Nineteenth EGS Users' Meeting in Japan 1-3 2012年10月
In this study, we validated the effectiveness of using a message passing interface (MPI) method in reducing computation time and enhancing calculation accuracy. A chest and abdominal X-ray computed tomography scan was simulated. Our results indica...